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烧心感、消化不良及便秘是孕妇常见症状。妊娠还是胆石症的一项危险因素。临床及生理研究的结果提示妊娠的上述并发症可能至少部分地与胃肠及胆道的动力变化有关。胆道动力对胆道动力起影响作用的物质有:1.膳食:脂肪是刺激小肠释出CCK及胆囊收缩最强力的物质,蛋白质其次,而碳水化物则差。长链脂肪酸的刺激作用强于短链脂肪酸。2.乙酰胆碱:假饲刺激下胆囊产生轻至中度排空(禁食容量
Heartburn, indigestion and constipation are common symptoms in pregnant women. Pregnancy is also a risk factor for cholelithiasis. The results of clinical and physiologic studies suggest that the above complications of pregnancy may be at least partially related to the dynamic changes of gastrointestinal and biliary tract. Biliary motility on the biliary dynamic effects of substances are: 1 diet: fat is to stimulate the release of CCK and gallbladder contraction of the most powerful substances, followed by protein, while the carbohydrate is poor. Long-chain fatty acids stimulate stronger than short-chain fatty acids. 2. Acetylcholine: Gallbladder stimulate mild to moderate emptying (fasting capacity